| Cologno Monzese to Novi di Modena | 90.36 mi (145.42 km) |
| Cologno Monzese to Novi Ligure | 58.33 mi (93.87 km) |
| Cologno Monzese to Nuoro | 360.12 mi (579.55 km) |
| Cologno Monzese to Occhiobello | 119.65 mi (192.56 km) |
| Cologno Monzese to Oderzo | 156.21 mi (251.39 km) |
| Cologno Monzese to Oggiono | 17.94 mi (28.86 km) |
| Cologno Monzese to Olbia | 318.85 mi (513.13 km) |
| Cologno Monzese to Oleggio | 31.59 mi (50.84 km) |
| Cologno Monzese to Olgiate Comasco | 23.15 mi (37.26 km) |
| Cologno Monzese to Olgiate Olona | 20.43 mi (32.87 km) |
| Cologno Monzese to Omegna | 48.49 mi (78.03 km) |
| Cologno Monzese to Opera | 10.47 mi (16.86 km) |
| Cologno Monzese to Oppeano | 93.73 mi (150.85 km) |
| Cologno Monzese to Orbassano | 92.02 mi (148.09 km) |
| Cologno Monzese to Orbetello | 234.08 mi (376.72 km) |
